Стиль цитування APA (7-ме видання)

Abd El-Aziz, D., & El Kafrawy, M. (1990). Comparison between pumps which work by solar energy electricity, and diesel. Arab republic of Egypt. The institute of National Planning.

Чикаго стиль цитування (17-те видання)

Abd El-Aziz, Durria, та M. El Kafrawy. Comparison Between Pumps Which Work by Solar Energy Electricity, and Diesel. [Cairo]: Arab republic of Egypt. The institute of National Planning, 1990.

Стиль цитування MLA (9-ме видання)

Abd El-Aziz, Durria, та M. El Kafrawy. Comparison Between Pumps Which Work by Solar Energy Electricity, and Diesel. Arab republic of Egypt. The institute of National Planning, 1990.